For electric power transmission, copper or aluminium wire is used
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(1) Copper and aluminium are good conductors of electricity.
(2) Copper and aluminium have very low resistivity. Hence, when an electric current flows through a wire of copper or aluminium, heat produced is comparatively low. Therefore, for electric power transmission, copper or aluminium wire is used.
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Answer:
(1) Copper and aluminium are good conductors of electricity. (2) Copper and aluminium have very low resistivity. Hence, when an electric current flows through a wire of copper or aluminium, heat produced is comparatively low. Therefore, for electric power transmission, copper or aluminium wire is used
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